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Linux/arch/openrisc/Kconfig

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Differences between /arch/openrisc/Kconfig (Version linux-6.12-rc7) and /arch/sparc/Kconfig (Version linux-4.11.12)


  1 # SPDX-License-Identifier: GPL-2.0             !!   1 config 64BIT
  2 #                                              !!   2         bool "64-bit kernel" if ARCH = "sparc"
  3 # For a description of the syntax of this conf !!   3         default ARCH = "sparc64"
  4 # see Documentation/kbuild/kconfig-language.rs !!   4         help
  5 #                                              !!   5           SPARC is a family of RISC microprocessors designed and marketed by
                                                   >>   6           Sun Microsystems, incorporated.  They are very widely found in Sun
                                                   >>   7           workstations and clones.
  6                                                     8 
  7 config OPENRISC                                !!   9           Say yes to build a 64-bit kernel - formerly known as sparc64
  8         def_bool y                             !!  10           Say no to build a 32-bit kernel - formerly known as sparc
  9         select ARCH_32BIT_OFF_T                !!  11 
 10         select ARCH_HAS_DMA_SET_UNCACHED       !!  12 config SPARC
 11         select ARCH_HAS_DMA_CLEAR_UNCACHED     !!  13         bool
 12         select ARCH_HAS_SYNC_DMA_FOR_DEVICE    !!  14         default y
 13         select COMMON_CLK                      !!  15         select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
                                                   >>  16         select ARCH_MIGHT_HAVE_PC_SERIO
 14         select OF                                  17         select OF
 15         select OF_EARLY_FLATTREE               !!  18         select OF_PROMTREE
 16         select IRQ_DOMAIN                      !!  19         select HAVE_IDE
 17         select GPIOLIB                         !!  20         select HAVE_OPROFILE
                                                   >>  21         select HAVE_ARCH_KGDB if !SMP || SPARC64
 18         select HAVE_ARCH_TRACEHOOK                 22         select HAVE_ARCH_TRACEHOOK
 19         select SPARSE_IRQ                      !!  23         select HAVE_EXIT_THREAD
 20         select GENERIC_IRQ_CHIP                !!  24         select SYSCTL_EXCEPTION_TRACE
 21         select GENERIC_IRQ_PROBE               !!  25         select RTC_CLASS
                                                   >>  26         select RTC_DRV_M48T59
                                                   >>  27         select RTC_SYSTOHC
                                                   >>  28         select HAVE_DMA_API_DEBUG
                                                   >>  29         select HAVE_ARCH_JUMP_LABEL if SPARC64
 22         select GENERIC_IRQ_SHOW                    30         select GENERIC_IRQ_SHOW
                                                   >>  31         select ARCH_WANT_IPC_PARSE_VERSION
 23         select GENERIC_PCI_IOMAP                   32         select GENERIC_PCI_IOMAP
 24         select GENERIC_IOREMAP                 !!  33         select HAVE_NMI_WATCHDOG if SPARC64
 25         select GENERIC_CPU_DEVICES             !!  34         select HAVE_CBPF_JIT
 26         select HAVE_PCI                        !!  35         select HAVE_DEBUG_BUGVERBOSE
 27         select HAVE_UID16                      << 
 28         select HAVE_PAGE_SIZE_8KB              << 
 29         select GENERIC_ATOMIC64                << 
 30         select GENERIC_CLOCKEVENTS_BROADCAST   << 
 31         select GENERIC_SMP_IDLE_THREAD             36         select GENERIC_SMP_IDLE_THREAD
                                                   >>  37         select GENERIC_CLOCKEVENTS
                                                   >>  38         select GENERIC_STRNCPY_FROM_USER
                                                   >>  39         select GENERIC_STRNLEN_USER
 32         select MODULES_USE_ELF_RELA                40         select MODULES_USE_ELF_RELA
 33         select HAVE_DEBUG_STACKOVERFLOW        !!  41         select ODD_RT_SIGACTION
 34         select OR1K_PIC                        !!  42         select OLD_SIGSUSPEND
 35         select CPU_NO_EFFICIENT_FFS if !OPENRI !!  43         select ARCH_HAS_SG_CHAIN
 36         select ARCH_USE_QUEUED_RWLOCKS         !!  44         select CPU_NO_EFFICIENT_FFS
 37         select OMPIC if SMP                    !!  45         select HAVE_ARCH_HARDENED_USERCOPY
 38         select PCI_DOMAINS_GENERIC if PCI      !!  46         select LOCKDEP_SMALL if LOCKDEP
 39         select PCI_MSI if PCI                  !!  47         select ARCH_WANT_RELAX_ORDER
 40         select ARCH_WANT_FRAME_POINTERS        << 
 41         select GENERIC_IRQ_MULTI_HANDLER       << 
 42         select MMU_GATHER_NO_RANGE if MMU      << 
 43         select TRACE_IRQFLAGS_SUPPORT          << 
 44                                                    48 
 45 config CPU_BIG_ENDIAN                          !!  49 config SPARC32
                                                   >>  50         def_bool !64BIT
                                                   >>  51         select GENERIC_ATOMIC64
                                                   >>  52         select CLZ_TAB
                                                   >>  53         select HAVE_UID16
                                                   >>  54         select OLD_SIGACTION
                                                   >>  55 
                                                   >>  56 config SPARC64
                                                   >>  57         def_bool 64BIT
                                                   >>  58         select HAVE_FUNCTION_TRACER
                                                   >>  59         select HAVE_FUNCTION_GRAPH_TRACER
                                                   >>  60         select HAVE_KRETPROBES
                                                   >>  61         select HAVE_KPROBES
                                                   >>  62         select HAVE_RCU_TABLE_FREE if SMP
                                                   >>  63         select HAVE_MEMBLOCK
                                                   >>  64         select HAVE_MEMBLOCK_NODE_MAP
                                                   >>  65         select HAVE_ARCH_TRANSPARENT_HUGEPAGE
                                                   >>  66         select HAVE_DYNAMIC_FTRACE
                                                   >>  67         select HAVE_FTRACE_MCOUNT_RECORD
                                                   >>  68         select HAVE_SYSCALL_TRACEPOINTS
                                                   >>  69         select HAVE_CONTEXT_TRACKING
                                                   >>  70         select HAVE_DEBUG_KMEMLEAK
                                                   >>  71         select SPARSE_IRQ
                                                   >>  72         select RTC_DRV_CMOS
                                                   >>  73         select RTC_DRV_BQ4802
                                                   >>  74         select RTC_DRV_SUN4V
                                                   >>  75         select RTC_DRV_STARFIRE
                                                   >>  76         select HAVE_PERF_EVENTS
                                                   >>  77         select PERF_USE_VMALLOC
                                                   >>  78         select IRQ_PREFLOW_FASTEOI
                                                   >>  79         select ARCH_HAVE_NMI_SAFE_CMPXCHG
                                                   >>  80         select HAVE_C_RECORDMCOUNT
                                                   >>  81         select NO_BOOTMEM
                                                   >>  82         select HAVE_ARCH_AUDITSYSCALL
                                                   >>  83         select ARCH_SUPPORTS_ATOMIC_RMW
                                                   >>  84         select HAVE_NMI
                                                   >>  85         select HAVE_REGS_AND_STACK_ACCESS_API
                                                   >>  86 
                                                   >>  87 config ARCH_DEFCONFIG
                                                   >>  88         string
                                                   >>  89         default "arch/sparc/configs/sparc32_defconfig" if SPARC32
                                                   >>  90         default "arch/sparc/configs/sparc64_defconfig" if SPARC64
                                                   >>  91 
                                                   >>  92 config ARCH_PROC_KCORE_TEXT
 46         def_bool y                                 93         def_bool y
 47                                                    94 
                                                   >>  95 config ARCH_ATU
                                                   >>  96         bool
                                                   >>  97         default y if SPARC64
                                                   >>  98 
                                                   >>  99 config ARCH_DMA_ADDR_T_64BIT
                                                   >> 100         bool
                                                   >> 101         default y if ARCH_ATU
                                                   >> 102 
                                                   >> 103 config IOMMU_HELPER
                                                   >> 104         bool
                                                   >> 105         default y if SPARC64
                                                   >> 106 
                                                   >> 107 config STACKTRACE_SUPPORT
                                                   >> 108         bool
                                                   >> 109         default y if SPARC64
                                                   >> 110 
                                                   >> 111 config LOCKDEP_SUPPORT
                                                   >> 112         bool
                                                   >> 113         default y if SPARC64
                                                   >> 114 
                                                   >> 115 config ARCH_HIBERNATION_POSSIBLE
                                                   >> 116         def_bool y if SPARC64
                                                   >> 117 
                                                   >> 118 config AUDIT_ARCH
                                                   >> 119         bool
                                                   >> 120         default y
                                                   >> 121 
                                                   >> 122 config HAVE_SETUP_PER_CPU_AREA
                                                   >> 123         def_bool y if SPARC64
                                                   >> 124 
                                                   >> 125 config NEED_PER_CPU_EMBED_FIRST_CHUNK
                                                   >> 126         def_bool y if SPARC64
                                                   >> 127 
                                                   >> 128 config NEED_PER_CPU_PAGE_FIRST_CHUNK
                                                   >> 129         def_bool y if SPARC64
                                                   >> 130 
 48 config MMU                                        131 config MMU
 49         def_bool y                             !! 132         bool
                                                   >> 133         default y
 50                                                   134 
 51 config GENERIC_HWEIGHT                         !! 135 config HIGHMEM
 52         def_bool y                             !! 136         bool
                                                   >> 137         default y if SPARC32
                                                   >> 138 
                                                   >> 139 config ZONE_DMA
                                                   >> 140         bool
                                                   >> 141         default y if SPARC32
 53                                                   142 
 54 config NO_IOPORT_MAP                           !! 143 config NEED_DMA_MAP_STATE
 55         def_bool y                                144         def_bool y
 56                                                   145 
 57 # For now, use generic checksum functions      !! 146 config NEED_SG_DMA_LENGTH
 58 #These can be reimplemented in assembly later  << 
 59 config GENERIC_CSUM                            << 
 60         def_bool y                                147         def_bool y
 61                                                   148 
 62 config STACKTRACE_SUPPORT                      !! 149 config GENERIC_ISA_DMA
 63         def_bool y                             !! 150         bool
                                                   >> 151         default y if SPARC32
 64                                                   152 
 65 config LOCKDEP_SUPPORT                         !! 153 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
 66         def_bool  y                            !! 154         def_bool y if SPARC64
                                                   >> 155 
                                                   >> 156 config PGTABLE_LEVELS
                                                   >> 157         default 4 if 64BIT
                                                   >> 158         default 3
                                                   >> 159 
                                                   >> 160 config ARCH_SUPPORTS_UPROBES
                                                   >> 161         def_bool y if SPARC64
                                                   >> 162 
                                                   >> 163 source "init/Kconfig"
                                                   >> 164 
                                                   >> 165 source "kernel/Kconfig.freezer"
 67                                                   166 
 68 menu "Processor type and features"                167 menu "Processor type and features"
 69                                                   168 
 70 choice                                         !! 169 config SMP
 71         prompt "Subarchitecture"               !! 170         bool "Symmetric multi-processing support"
 72         default OR1K_1200                      !! 171         ---help---
                                                   >> 172           This enables support for systems with more than one CPU. If you have
                                                   >> 173           a system with only one CPU, say N. If you have a system with more
                                                   >> 174           than one CPU, say Y.
 73                                                   175 
 74 config OR1K_1200                               !! 176           If you say N here, the kernel will run on uni- and multiprocessor
 75         bool "OR1200"                          !! 177           machines, but will use only one CPU of a multiprocessor machine. If
 76         help                                   !! 178           you say Y here, the kernel will run on many, but not all,
 77           Generic OpenRISC 1200 architecture   !! 179           uniprocessor machines. On a uniprocessor machine, the kernel
                                                   >> 180           will run faster if you say N here.
                                                   >> 181 
                                                   >> 182           People using multiprocessor machines who say Y here should also say
                                                   >> 183           Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
                                                   >> 184           Management" code will be disabled if you say Y here.
 78                                                   185 
 79 endchoice                                      !! 186           See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
                                                   >> 187           available at <http://www.tldp.org/docs.html#howto>.
 80                                                   188 
 81 config DCACHE_WRITETHROUGH                     !! 189           If you don't know what to do here, say N.
 82         bool "Have write through data caches"  << 
 83         default n                              << 
 84         help                                   << 
 85           Select this if your implementation f << 
 86           Selecting 'N' here will allow the ke << 
 87           caches at relevant times. Most OpenR << 
 88           through data caches.                 << 
 89                                                   190 
 90           If unsure say N here                 !! 191 config NR_CPUS
                                                   >> 192         int "Maximum number of CPUs"
                                                   >> 193         depends on SMP
                                                   >> 194         range 2 32 if SPARC32
                                                   >> 195         range 2 4096 if SPARC64
                                                   >> 196         default 32 if SPARC32
                                                   >> 197         default 4096 if SPARC64
                                                   >> 198 
                                                   >> 199 source kernel/Kconfig.hz
                                                   >> 200 
                                                   >> 201 config RWSEM_GENERIC_SPINLOCK
                                                   >> 202         bool
                                                   >> 203         default y if SPARC32
                                                   >> 204 
                                                   >> 205 config RWSEM_XCHGADD_ALGORITHM
                                                   >> 206         bool
                                                   >> 207         default y if SPARC64
 91                                                   208 
 92 config OPENRISC_BUILTIN_DTB                    !! 209 config GENERIC_HWEIGHT
 93         string "Builtin DTB"                   !! 210         bool
 94         default ""                             !! 211         default y
 95                                                   212 
 96 menu "Class II Instructions"                   !! 213 config GENERIC_CALIBRATE_DELAY
                                                   >> 214         bool
                                                   >> 215         default y
 97                                                   216 
 98 config OPENRISC_HAVE_INST_FF1                  !! 217 config ARCH_MAY_HAVE_PC_FDC
 99         bool "Have instruction l.ff1"          !! 218         bool
100         default y                                 219         default y
101         help                                   << 
102           Select this if your implementation h << 
103                                                   220 
104 config OPENRISC_HAVE_INST_FL1                  !! 221 config EMULATED_CMPXCHG
105         bool "Have instruction l.fl1"          !! 222         bool
                                                   >> 223         default y if SPARC32
                                                   >> 224         help
                                                   >> 225           Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
                                                   >> 226           is emulated, and therefore it is not completely atomic.
                                                   >> 227 
                                                   >> 228 # Makefile helpers
                                                   >> 229 config SPARC32_SMP
                                                   >> 230         bool
106         default y                                 231         default y
107         help                                   !! 232         depends on SPARC32 && SMP
108           Select this if your implementation h << 
109                                                   233 
110 config OPENRISC_HAVE_INST_MUL                  !! 234 config SPARC64_SMP
111         bool "Have instruction l.mul for hardw !! 235         bool
112         default y                                 236         default y
113         help                                   !! 237         depends on SPARC64 && SMP
114           Select this if your implementation h << 
115                                                   238 
116 config OPENRISC_HAVE_INST_DIV                  !! 239 config EARLYFB
117         bool "Have instruction l.div for hardw !! 240         bool "Support for early boot text console"
118         default y                                 241         default y
                                                   >> 242         depends on SPARC64
119         help                                      243         help
120           Select this if your implementation h !! 244           Say Y here to enable a faster early framebuffer boot console.
121                                                   245 
122 config OPENRISC_HAVE_INST_CMOV                 !! 246 config SECCOMP
123         bool "Have instruction l.cmov for cond !! 247         bool "Enable seccomp to safely compute untrusted bytecode"
124         default n                              !! 248         depends on SPARC64 && PROC_FS
                                                   >> 249         default y
125         help                                      250         help
126           This config enables gcc to generate  !! 251           This kernel feature is useful for number crunching applications
127           the kernel which in general will imp !! 252           that may need to compute untrusted bytecode during their
128           binary size.                         !! 253           execution. By using pipes or other transports made available to
129                                                !! 254           the process as file descriptors supporting the read/write
130           Select this if your implementation h !! 255           syscalls, it's possible to isolate those applications in
131           l.cmov conistional move instruction. !! 256           their own address space using seccomp. Once seccomp is
                                                   >> 257           enabled via /proc/<pid>/seccomp, it cannot be disabled
                                                   >> 258           and the task is only allowed to execute a few safe syscalls
                                                   >> 259           defined by each seccomp mode.
                                                   >> 260 
                                                   >> 261           If unsure, say Y. Only embedded should say N here.
                                                   >> 262 
                                                   >> 263 config HOTPLUG_CPU
                                                   >> 264         bool "Support for hot-pluggable CPUs"
                                                   >> 265         depends on SPARC64 && SMP
                                                   >> 266         help
                                                   >> 267           Say Y here to experiment with turning CPUs off and on.  CPUs
                                                   >> 268           can be controlled through /sys/devices/system/cpu/cpu#.
                                                   >> 269           Say N if you want to disable CPU hotplug.
                                                   >> 270 
                                                   >> 271 if SPARC64
                                                   >> 272 source "drivers/cpufreq/Kconfig"
                                                   >> 273 endif
                                                   >> 274 
                                                   >> 275 config US3_MC
                                                   >> 276         tristate "UltraSPARC-III Memory Controller driver"
                                                   >> 277         depends on SPARC64
                                                   >> 278         default y
                                                   >> 279         help
                                                   >> 280           This adds a driver for the UltraSPARC-III memory controller.
                                                   >> 281           Loading this driver allows exact mnemonic strings to be
                                                   >> 282           printed in the event of a memory error, so that the faulty DIMM
                                                   >> 283           on the motherboard can be matched to the error.
                                                   >> 284 
                                                   >> 285           If in doubt, say Y, as this information can be very useful.
                                                   >> 286 
                                                   >> 287 # Global things across all Sun machines.
                                                   >> 288 config GENERIC_LOCKBREAK
                                                   >> 289         bool
                                                   >> 290         default y
                                                   >> 291         depends on SPARC64 && SMP && PREEMPT
132                                                   292 
133           Say N if you are unsure.             !! 293 config NUMA
                                                   >> 294         bool "NUMA support"
                                                   >> 295         depends on SPARC64 && SMP
                                                   >> 296 
                                                   >> 297 config NODES_SHIFT
                                                   >> 298         int
                                                   >> 299         default "4"
                                                   >> 300         depends on NEED_MULTIPLE_NODES
                                                   >> 301 
                                                   >> 302 # Some NUMA nodes have memory ranges that span
                                                   >> 303 # other nodes.  Even though a pfn is valid and
                                                   >> 304 # between a node's start and end pfns, it may not
                                                   >> 305 # reside on that node.  See memmap_init_zone()
                                                   >> 306 # for details.
                                                   >> 307 config NODES_SPAN_OTHER_NODES
                                                   >> 308         def_bool y
                                                   >> 309         depends on NEED_MULTIPLE_NODES
134                                                   310 
135 config OPENRISC_HAVE_INST_ROR                  !! 311 config ARCH_SELECT_MEMORY_MODEL
136         bool "Have instruction l.ror for rotat !! 312         def_bool y if SPARC64
137         default n                              << 
138         help                                   << 
139           This config enables gcc to generate  << 
140           the kernel which in general will imp << 
141           binary size.                         << 
142                                                   313 
143           Select this if your implementation h !! 314 config ARCH_SPARSEMEM_ENABLE
144           l.ror rotate right instruction.      !! 315         def_bool y if SPARC64
                                                   >> 316         select SPARSEMEM_VMEMMAP_ENABLE
145                                                   317 
146           Say N if you are unsure.             !! 318 config ARCH_SPARSEMEM_DEFAULT
                                                   >> 319         def_bool y if SPARC64
147                                                   320 
148 config OPENRISC_HAVE_INST_RORI                 !! 321 config FORCE_MAX_ZONEORDER
149         bool "Have instruction l.rori for rota !! 322         int "Maximum zone order"
150         default n                              !! 323         default "13"
151         help                                      324         help
152           This config enables gcc to generate  !! 325           The kernel memory allocator divides physically contiguous memory
153           the kernel which in general will imp !! 326           blocks into "zones", where each zone is a power of two number of
154           binary size.                         !! 327           pages.  This option selects the largest power of two that the kernel
                                                   >> 328           keeps in the memory allocator.  If you need to allocate very large
                                                   >> 329           blocks of physically contiguous memory, then you may need to
                                                   >> 330           increase this value.
155                                                   331 
156           Select this if your implementation h !! 332           This config option is actually maximum order plus one. For example,
157           l.rori rotate right with immediate i !! 333           a value of 13 means that the largest free memory block is 2^12 pages.
158                                                   334 
159           Say N if you are unsure.             !! 335 source "mm/Kconfig"
160                                                   336 
161 config OPENRISC_HAVE_INST_SEXT                 !! 337 if SPARC64
162         bool "Have instructions l.ext* for sig !! 338 source "kernel/power/Kconfig"
163         default n                              !! 339 endif
                                                   >> 340 
                                                   >> 341 config SCHED_SMT
                                                   >> 342         bool "SMT (Hyperthreading) scheduler support"
                                                   >> 343         depends on SPARC64 && SMP
                                                   >> 344         default y
                                                   >> 345         help
                                                   >> 346           SMT scheduler support improves the CPU scheduler's decision making
                                                   >> 347           when dealing with SPARC cpus at a cost of slightly increased overhead
                                                   >> 348           in some places. If unsure say N here.
                                                   >> 349 
                                                   >> 350 config SCHED_MC
                                                   >> 351         bool "Multi-core scheduler support"
                                                   >> 352         depends on SPARC64 && SMP
                                                   >> 353         default y
164         help                                      354         help
165           This config enables gcc to generate  !! 355           Multi-core scheduler support improves the CPU scheduler's decision
166           the kernel which in general will imp !! 356           making when dealing with multi-core CPU chips at a cost of slightly
167           binary size.                         !! 357           increased overhead in some places. If unsure say N here.
                                                   >> 358 
                                                   >> 359 source "kernel/Kconfig.preempt"
                                                   >> 360 
                                                   >> 361 config CMDLINE_BOOL
                                                   >> 362         bool "Default bootloader kernel arguments"
                                                   >> 363         depends on SPARC64
168                                                   364 
169           Select this if your implementation h !! 365 config CMDLINE
170           l.exths, l.extbs, l.exthz and l.extb !! 366         string "Initial kernel command string"
                                                   >> 367         depends on CMDLINE_BOOL
                                                   >> 368         default "console=ttyS0,9600 root=/dev/sda1"
                                                   >> 369         help
                                                   >> 370           Say Y here if you want to be able to pass default arguments to
                                                   >> 371           the kernel. This will be overridden by the bootloader, if you
                                                   >> 372           use one (such as SILO). This is most useful if you want to boot
                                                   >> 373           a kernel from TFTP, and want default options to be available
                                                   >> 374           with having them passed on the command line.
                                                   >> 375 
                                                   >> 376           NOTE: This option WILL override the PROM bootargs setting!
                                                   >> 377 
                                                   >> 378 config SUN_PM
                                                   >> 379         bool
                                                   >> 380         default y if SPARC32
                                                   >> 381         help
                                                   >> 382           Enable power management and CPU standby features on supported
                                                   >> 383           SPARC platforms.
                                                   >> 384 
                                                   >> 385 config SPARC_LED
                                                   >> 386         tristate "Sun4m LED driver"
                                                   >> 387         depends on SPARC32
                                                   >> 388         help
                                                   >> 389           This driver toggles the front-panel LED on sun4m systems
                                                   >> 390           in a user-specifiable manner.  Its state can be probed
                                                   >> 391           by reading /proc/led and its blinking mode can be changed
                                                   >> 392           via writes to /proc/led
                                                   >> 393 
                                                   >> 394 config SERIAL_CONSOLE
                                                   >> 395         bool
                                                   >> 396         depends on SPARC32
                                                   >> 397         default y
                                                   >> 398         ---help---
                                                   >> 399           If you say Y here, it will be possible to use a serial port as the
                                                   >> 400           system console (the system console is the device which receives all
                                                   >> 401           kernel messages and warnings and which allows logins in single user
                                                   >> 402           mode). This could be useful if some terminal or printer is connected
                                                   >> 403           to that serial port.
                                                   >> 404 
                                                   >> 405           Even if you say Y here, the currently visible virtual console
                                                   >> 406           (/dev/tty0) will still be used as the system console by default, but
                                                   >> 407           you can alter that using a kernel command line option such as
                                                   >> 408           "console=ttyS1". (Try "man bootparam" or see the documentation of
                                                   >> 409           your boot loader (silo) about how to pass options to the kernel at
                                                   >> 410           boot time.)
                                                   >> 411 
                                                   >> 412           If you don't have a graphics card installed and you say Y here, the
                                                   >> 413           kernel will automatically use the first serial line, /dev/ttyS0, as
                                                   >> 414           system console.
                                                   >> 415 
                                                   >> 416           If unsure, say N.
                                                   >> 417 
                                                   >> 418 config SPARC_LEON
                                                   >> 419         bool "Sparc Leon processor family"
                                                   >> 420         depends on SPARC32
                                                   >> 421         select USB_EHCI_BIG_ENDIAN_MMIO
                                                   >> 422         select USB_EHCI_BIG_ENDIAN_DESC
                                                   >> 423         ---help---
                                                   >> 424           If you say Y here if you are running on a SPARC-LEON processor.
                                                   >> 425           The LEON processor is a synthesizable VHDL model of the
                                                   >> 426           SPARC-v8 standard. LEON is  part of the GRLIB collection of
                                                   >> 427           IP cores that are distributed under GPL. GRLIB can be downloaded
                                                   >> 428           from www.gaisler.com. You can download a sparc-linux cross-compilation
                                                   >> 429           toolchain at www.gaisler.com.
                                                   >> 430 
                                                   >> 431 if SPARC_LEON
                                                   >> 432 menu "U-Boot options"
                                                   >> 433 
                                                   >> 434 config UBOOT_LOAD_ADDR
                                                   >> 435         hex "uImage Load Address"
                                                   >> 436         default 0x40004000
                                                   >> 437         ---help---
                                                   >> 438          U-Boot kernel load address, the address in physical address space
                                                   >> 439          where u-boot will place the Linux kernel before booting it.
                                                   >> 440          This address is normally the base address of main memory + 0x4000.
                                                   >> 441 
                                                   >> 442 config UBOOT_FLASH_ADDR
                                                   >> 443         hex "uImage.o Load Address"
                                                   >> 444         default 0x00080000
                                                   >> 445         ---help---
                                                   >> 446          Optional setting only affecting the uImage.o ELF-image used to
                                                   >> 447          download the uImage file to the target using a ELF-loader other than
                                                   >> 448          U-Boot. It may for example be used to download an uImage to FLASH with
                                                   >> 449          the GRMON utility before even starting u-boot.
                                                   >> 450 
                                                   >> 451 config UBOOT_ENTRY_ADDR
                                                   >> 452         hex "uImage Entry Address"
                                                   >> 453         default 0xf0004000
                                                   >> 454         ---help---
                                                   >> 455          Do not change this unless you know what you're doing. This is
                                                   >> 456          hardcoded by the SPARC32 and LEON port.
171                                                   457 
172           Say N if you are unsure.             !! 458          This is the virtual address u-boot jumps to when booting the Linux
                                                   >> 459          Kernel.
173                                                   460 
174 endmenu                                           461 endmenu
                                                   >> 462 endif
175                                                   463 
176 config NR_CPUS                                 !! 464 endmenu
177         int "Maximum number of CPUs (2-32)"    << 
178         range 2 32                             << 
179         depends on SMP                         << 
180         default "2"                            << 
181                                                << 
182 config SMP                                     << 
183         bool "Symmetric Multi-Processing suppo << 
184         help                                   << 
185           This enables support for systems wit << 
186           a system with only one CPU, say N. I << 
187           than one CPU, say Y.                 << 
188                                                   465 
189           If you don't know what to do here, s !! 466 menu "Bus options (PCI etc.)"
                                                   >> 467 config SBUS
                                                   >> 468         bool
                                                   >> 469         default y
190                                                   470 
191 config FPU                                     !! 471 config SBUSCHAR
192         bool "FPU support"                     !! 472         bool
193         default y                                 473         default y
194         help                                   << 
195           Say N here if you want to disable al << 
196           in the kernel and reduce binary size << 
197                                                   474 
198           If you don't know what to do here, s !! 475 config SUN_LDOMS
                                                   >> 476         bool "Sun Logical Domains support"
                                                   >> 477         depends on SPARC64
                                                   >> 478         help
                                                   >> 479           Say Y here is you want to support virtual devices via
                                                   >> 480           Logical Domains.
                                                   >> 481 
                                                   >> 482 config PCI
                                                   >> 483         bool "Support for PCI and PS/2 keyboard/mouse"
                                                   >> 484         help
                                                   >> 485           Find out whether your system includes a PCI bus. PCI is the name of
                                                   >> 486           a bus system, i.e. the way the CPU talks to the other stuff inside
                                                   >> 487           your box.  If you say Y here, the kernel will include drivers and
                                                   >> 488           infrastructure code to support PCI bus devices.
                                                   >> 489 
                                                   >> 490           CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
                                                   >> 491           CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
                                                   >> 492           All of these platforms are extremely obscure, so say N if unsure.
                                                   >> 493 
                                                   >> 494 config PCI_DOMAINS
                                                   >> 495         def_bool PCI if SPARC64
                                                   >> 496 
                                                   >> 497 config PCI_SYSCALL
                                                   >> 498         def_bool PCI
                                                   >> 499 
                                                   >> 500 config PCIC_PCI
                                                   >> 501         bool
                                                   >> 502         depends on PCI && SPARC32 && !SPARC_LEON
                                                   >> 503         default y
199                                                   504 
200 source "kernel/Kconfig.hz"                     !! 505 config LEON_PCI
                                                   >> 506         bool
                                                   >> 507         depends on PCI && SPARC_LEON
                                                   >> 508         default y
201                                                   509 
202 config OPENRISC_NO_SPR_SR_DSX                  !! 510 config SPARC_GRPCI1
203         bool "use SPR_SR_DSX software emulatio !! 511         bool "GRPCI Host Bridge Support"
                                                   >> 512         depends on LEON_PCI
                                                   >> 513         default y
                                                   >> 514         help
                                                   >> 515           Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
                                                   >> 516           PCI host controller is typically found in GRLIB SPARC32/LEON
                                                   >> 517           systems. The driver has one property (all_pci_errors) controlled
                                                   >> 518           from the bootloader that makes the GRPCI to generate interrupts
                                                   >> 519           on detected PCI Parity and System errors.
                                                   >> 520 
                                                   >> 521 config SPARC_GRPCI2
                                                   >> 522         bool "GRPCI2 Host Bridge Support"
                                                   >> 523         depends on LEON_PCI
204         default y                                 524         default y
205         help                                      525         help
206           SPR_SR_DSX bit is status register bi !! 526           Say Y here to include the GRPCI2 Host Bridge Driver.
207           the last exception has happened in d << 
208                                                   527 
209           OpenRISC architecture makes it optio !! 528 source "drivers/pci/Kconfig"
210           in hardware and the OR1200 does not  << 
211                                                   529 
212           Say N here if you know that your Ope !! 530 source "drivers/pcmcia/Kconfig"
213           SPR_SR_DSX bit implemented. Say Y if << 
214                                                   531 
215 config OPENRISC_HAVE_SHADOW_GPRS               !! 532 config SUN_OPENPROMFS
216         bool "Support for shadow gpr files" if !! 533         tristate "Openprom tree appears in /proc/openprom"
217         default y if SMP                       << 
218         help                                      534         help
219           Say Y here if your OpenRISC processo !! 535           If you say Y, the OpenPROM device tree will be available as a
220           register files. They will in such ca !! 536           virtual file system, which you can mount to /proc/openprom by "mount
221           scratch reg storage on exception ent !! 537           -t openpromfs none /proc/openprom".
222                                                   538 
223           On SMP systems, this feature is mand !! 539           To compile the /proc/openprom support as a module, choose M here: the
224           On a unicore system it's safe to say !! 540           module will be called openpromfs.
225                                                   541 
226 config CMDLINE                                 !! 542           Only choose N if you know in advance that you will not need to modify
227         string "Default kernel command string" !! 543           OpenPROM settings on the running system.
228         default ""                             << 
229         help                                   << 
230           On some architectures there is curre << 
231           to pass arguments to the kernel. For << 
232           supply some command-line options at  << 
233           here.                                << 
234                                                   544 
235 menu "Debugging options"                       !! 545 # Makefile helpers
                                                   >> 546 config SPARC64_PCI
                                                   >> 547         bool
                                                   >> 548         default y
                                                   >> 549         depends on SPARC64 && PCI
236                                                   550 
237 config JUMP_UPON_UNHANDLED_EXCEPTION           !! 551 config SPARC64_PCI_MSI
238         bool "Try to die gracefully"           !! 552         bool
239         default y                                 553         default y
240         help                                   !! 554         depends on SPARC64_PCI && PCI_MSI
241           Now this puts kernel into infinite l << 
242           your kernel crashes this doesn't hav << 
243                                                   555 
244           Say Y if you are unsure.             !! 556 endmenu
245                                                   557 
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK        !! 558 menu "Executable file formats"
247         bool "Check for possible ESR exception << 
248         default n                              << 
249         help                                   << 
250           This option enables some checks that << 
251           in kernel.                           << 
252                                                   559 
253           Say N if you are unsure.             !! 560 source "fs/Kconfig.binfmt"
254                                                   561 
255 endmenu                                        !! 562 config COMPAT
                                                   >> 563         bool
                                                   >> 564         depends on SPARC64
                                                   >> 565         default y
                                                   >> 566         select COMPAT_BINFMT_ELF
                                                   >> 567         select HAVE_UID16
                                                   >> 568         select ARCH_WANT_OLD_COMPAT_IPC
                                                   >> 569         select COMPAT_OLD_SIGACTION
                                                   >> 570 
                                                   >> 571 config SYSVIPC_COMPAT
                                                   >> 572         bool
                                                   >> 573         depends on COMPAT && SYSVIPC
                                                   >> 574         default y
                                                   >> 575 
                                                   >> 576 config KEYS_COMPAT
                                                   >> 577         def_bool y if COMPAT && KEYS
256                                                   578 
257 endmenu                                           579 endmenu
                                                   >> 580 
                                                   >> 581 source "net/Kconfig"
                                                   >> 582 
                                                   >> 583 source "drivers/Kconfig"
                                                   >> 584 
                                                   >> 585 source "drivers/sbus/char/Kconfig"
                                                   >> 586 
                                                   >> 587 source "fs/Kconfig"
                                                   >> 588 
                                                   >> 589 source "arch/sparc/Kconfig.debug"
                                                   >> 590 
                                                   >> 591 source "security/Kconfig"
                                                   >> 592 
                                                   >> 593 source "crypto/Kconfig"
                                                   >> 594 
                                                   >> 595 source "lib/Kconfig"
                                                      

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